Slide whistle



FIG. 1 is a perspective view of a slide whistle;

FIG. 2 is a perspective view of the slide whistle of FIG. 1 with the slide stem in its extended position;

FIG. 3 is a front view of the slide whistle of FIG. 1;

FIG. 4 is a back view of the slide whistle of FIG. 1;

FIG. 5 is a left side view of the slide whistle of FIG. 1;

FIG. 6 is a right side view of the slide whistle of FIG. 1;

FIG. 7 is a top view of the slide whistle of FIG. 1; and,

FIG. 8 is a bottom view of the slide whistle of FIG. 1. 

The ornamental design for a slide whistle, as shown and described. 